the policeman on duty told him that since his defeat,the ex-Prime Minister had gone abroad.这里since是什么用法呀?如果是自从,这句话貌似不很通顺的

My books are on the desk,dut ( ) books are under the chair. Don't piay on the road,Mike.the policeman said is duty the on policeman怎么连词成句急 Don't play on the road . the policeman said to the children .The policeman told the children ____ _______ _________ play on the road .同义句 ''Don't play football on the road,children.said the policeman.改为间接引语The policeman___________. “Don't play football on the road,the policeman said to the boy.转变成间接引语 where is the policeman He is s( ) the taffic on the road. Where is the policeman He ——（stop）the traffic on the highway. the policeman kept his eyes _________ on the screen of the computer to ident “Don’t play football on the street,little boys”the policeman said改为间接引语 said Don't play on the road.the policeman to me .的同义句The policeman told me( )play on the road应该是Don't play on the road.the policeman saidto me .的同义句The policeman told me( )play on the road “Don't play on the road ,Mike. the policeman said.（该为同义句 Don't play on the road ,MIKe.'the policeman said,改为同义句 the policeman .a purse on the grass.省略号填points还是points to? The policeman saved many people on 13th May,2008 in Wenchuan.改为被动语态 The High Street is busy on Saturdays.A policeman is walking_across_street.He is going _the bank. You can lie on the gutter for all I care,I’m not a policeman. He sat in the car with a policeman on e____ side of him.填什么 为什么